upgrade to 1.0.51 and update changelog

Author: stevehu

CHANGELOG.md

@@ -9,6 +9,16 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Changed
 
+## 1.0.51 - 2021-03-30
+
+### Added
+
+### Changed
+
+- fixes #392 NPE due to concurrency bug. Thanks @Keymaster65
+- fixes #391 override default EmailValidator, if set custom email format. Thanks @whirosan
+- fixes #390 Add discriminator support. Thanks @FWiesner
+
 ## 1.0.50 - 2021-03-18
 
 ### Added

README.md

@@ -82,15 +82,15 @@ Maven:
 <dependency>
     <groupId>com.networknt</groupId>
     <artifactId>json-schema-validator</artifactId>
-    <version>1.0.50</version>
+    <version>1.0.51</version>
 </dependency>
 ```
 
 Gradle:
 
 ```
 dependencies {
-    compile(group: "com.networknt", name: "json-schema-validator", version: "1.0.50");
+    compile(group: "com.networknt", name: "json-schema-validator", version: "1.0.51");
 }
 ```
 

pom.xml

@@ -20,7 +20,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.networknt</groupId>
     <artifactId>json-schema-validator</artifactId>
-    <version>1.0.50</version>
+    <version>1.0.51</version>
     <packaging>bundle</packaging>
     <description>A json schema validator that supports draft v4, v6, v7 and v2019-09</description>
     <url>https://github.com/networknt/json-schema-validator</url>